| Brand: | TCL |
| Model: | 403 |
| Type: | Smartphone |
| Release Date: | 2023, January 05 |
| Size: | 6.0 inches, 92.9 cm2 (~74.6% screen-to-body ratio) |
| Resolution: | 480 x 960 pixels, 18:9 ratio (~179 ppi density) |
| Technology: | TFT LCD |
| Main Specs: | 8 MP, f/2.0, 27mm (wide), 1/4", 1.12µm, AF |
| Main Features: | LED flash, HDR, panorama |
| Main Video: | 1080p@30fps or 720p@30fps (T431Q only) |
| Selfie Specs: | 5 MP, f/2.8 |
| Selfie Video: | 720p@30fps |
| Capacity: | Li-Ion 3000 mAh |
| Type: | Li-Ion |
| Chipset: | Mediatek MT6761 Helio A22 (12 nm) |
| Ram: | 1GB |
| Storage: | 32GB |
| Expandable: | microSDXC (dedicated slot) |
| Dimensions: | 159.2 x 78.2 x 9.6 mm (6.27 x 3.08 x 0.38 in) |
| Weight: | 182 g (6.42 oz) |
| Wifi: | Wi-Fi 802.11 b/g/n, Wi-Fi Direct |
| Bluetooth: | 5.0, A2DP, LE |
| Nfc: | No |
| Usb: | microUSB 2.0 |
| Headphone Jack: | Yes |
| Network: | GSM / HSPA / LTE |
| Sensors: | Accelerometer |
| Colors: | Prime Black, Mauve Mist |